She paused _____ over the unfamiliar word but soon continued.

I can’t give you an answer right now. I’d like     more time to consider my decision.

—Timmy, it is raining heavily out. Shall we stop here?—_______, we must finish this work today.

He has decided to settle _____ in France because he is fond of the romantic country.

Flight attendants usually need to arrive at the airport ______ before their flight leaves.